Protozoans

Question 1

How does most protozoa multiply?

Answer 1

binary fission

Question 2

Which group move by means of pseudopodia

Answer 2

Amebae

Question 3

Intestinal Protazoa

Answer 3

Giardia lamblia
Entamoeba histolytica
Cryptosporidium parvum
Cyclospora cyatenensis
Balantidium coli

Question 4

systemic protozoa

Answer 4

Plasmodium
Toxoplasma gondi
Leishmania
Trypanosoma

Question 6

Classes of Protazoa

Answer 6

CLASS LOBOSEA
SUPERCLASS MASTIGOPHORA
CLASS KINETOFRAGMINOPHOREA
CLASS SPOROZOA
SUBCLASS COCCIDIA

Question 7

Identify the Classes of Protazoa
- motile, reproducing, feeding stage (the trophozoite) lives most commonly in the lower gastrointestinal tract.
- Amebae

Answer 7

CLASS LOBOSEA

Question 8

Amebae transmission

Answer 8

ingestion of cysts in fecally contaminated food or water.

Question 9

Examples of Amebae

Answer 9

Naegleria fowleri
Acanthamoebia spp.
Entamoeba

Question 10

Identify the Amebae
Description:
Chronic granulomatous lesions in brain tissue may contain trophozoites and cysts.

Diagnosis:
Isolated in upper respiratory tract

Treatment:
Successful, Pentamidine, isothiocyanate

Answer 10

Acanthamoebia spp.

Question 11

Identify the Amebae

Description:
an ameboflagellate because in the freeliving
state it alternates from an ameboid phase to a form possessing two flagella

Diagnosis:
Autopsy, spinal fluid examination occurs most often during the summer months

Treatment:
Unsuccessful, amphotericin B, sulfadiazine

Answer 11

Naegleria fowleri

Question 12

Identify the Amebae
Diagnosis:
Recover and identify trophozoites or cysts in feces or intestinal mucosa.

Treatment:
Depending on the location of infection, iodoquinol, paromomycin, metronidazole, dehydroemetine, and Combinations

Disease Names:
Amebiasis
Amebic dysentery
Amebic hepatitis (if liver is involved)

Answer 12

Entamoeba

Question 13

Identify the Classes of Protazoa
- Flagellates in the class Zoomastigophorea include the pathogenic protozoa that inhabit the gastrointestinal tract, atria, bloodstream, or tissues of humans

Answer 13

SUPERCLASS MASTIGOPHORA

Question 14

Protazoans in SUPERCLASS MASTIGOPHORA

Answer 14

Giardia Lamblia
Dientamoeba Fragilis
Trichomonas Vaginalis
KINETOPLASTIDA
Trypanosoma Cruzi

Question 15

Identify the Protazoans in SUPERCLASS MASTIGOPHORA

Diagnosis:
Recover and identify trophozoites or cysts in feces or duodenal contents.

Disease Names:
Giardiasis
Traveler’s diarrhea

Treatment:
1. Quinacrine
2. Metronidazole or furazolidone

Answer 15

Giardia Lamblia

Question 16

Identify the Protazoans in SUPERCLASS MASTIGOPHORA

Diagnosis:
Identify trophozoites in feces (no cyst stage known).

Disease Names:
Disease is usually asymptomatic but it may be associated with diarrhea, anorexia, and abdominal pain.

Treatment:
Iodoquinol, tetracycline, or paromomycin

Answer 16

Dientamoeba Fragilis

Question 17

Identify the Protazoans in SUPERCLASS MASTIGOPHORA

Diagnosis:
Recover and identify motile trophozoites in fresh urethral discharge, vaginal smear, or urine

Disease Names:
Trichomonad vaginitis
Urethritis
Trich

Treatment:
Metronidazole

Answer 17

Trichomonas Vaginalis

Question 18

Identify the Protazoans in SUPERCLASS MASTIGOPHORA

Diagnosis:
found multiplying in the blood (hemoflagellates) or tissue of humans.

Disease Names:

Treatment:

Answer 18

KINETOPLASTIDA

Question 20

Identify the Protazoans in SUPERCLASS MASTIGOPHORA

Diagnosis:

Disease Names:

Treatment:

Answer 20

Trypanosoma Cruzi